68449591675 has 6 divisors (see below), whose sum is σ = 84877493708. Its totient is φ = 54759673320.

The previous prime is 68449591643. The next prime is 68449591739. The reversal of 68449591675 is 57619594486.

It is not a de Polignac number, because 68449591675 - 2⁵ = 68449591643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1368991809 + ... + 1368991858.

Almost surely, 2^68449591675 is an apocalyptic number.

68449591675 is a deficient number, since it is larger than the sum of its proper divisors (16427902033).

68449591675 is a wasteful number, since it uses less digits than its factorization.

68449591675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737983677 (or 2737983672 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 64.

The spelling of 68449591675 in words is "sixty-eight billion, four hundred forty-nine million, five hundred ninety-one thousand, six hundred seventy-five".